Article History
Received: 18 May 2019
Accepted: 5 December 2019
First Online: 17 January 2020
Compliance with ethical standards
:
: All the costs related to this study were supported by Kyowa Hakko Kirin Co., Ltd. (Tokyo, Japan). There is no COI to Kyowa Hakko Kirin Co., Ltd., and they did not support research funding, including rewards.
: Ethical approval of the study was obtained by the Institutional Review Board of Fukuoka University.